Unless you are going super-fast (unlikely on a WNG) or testing the handling to the limit or doing off-road then I'd go with Mitas; they work for me.
If they don't pan out, then you haven't lost that much.
If they do work out, then you save a bit and know for next time
John "Josh" Nashwebmaster@arielownersmcc.co.uk
2009 royal Enfield,1978 t140 bonneville, '67 CJ750, 196-ish Ural M62 outfit, 1960 k750, ''51 kH500, ''49 soon to be Ariel bobber, 47 VH twinport, '44 Ariel WNG, '43 Ariel WNG, '41 Ariel WNG and piles of rusty scrap ....